*Relearning to Teach Arithmetic, Susan Jo Russell.
1999.
So there are only 19
thirteens in 247) • Dealing out into groups*159/13Give 10 to each group; that uses up 130; 29 is leftGive 1 more to each group; that uses up 13; 16 is leftGive 1 more to each group; 3 is left.
1999.
Everett Public Schools, 2005
• Subtract each column and record each difference, whether it is positive or negative.*400 – 100 = 30060 – 20 = 405 – 9 = -4300 + 40 +(– 4) = 336Please note that students may use larger numbers or chunks once they are more confident with theirunderstanding with number.
Many of the ...
Allowed
Adobe Portable Document Format (.pdf) - application/pdf
... 
